Alltwen Rainfall ForecastUnited KingdomWLNeath Port TalbotAlltwenToday 11 May5%Sun 12 May55%Mon 13 May90%Tue 14 May40%Wed 15 May40%Thu 16 May35%Alltwen rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet an account to remove ads